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22-02-2019
Social Studies

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What determines the bringhtness of star in the sky

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huntrw6 huntrw6

22-02-2019

"A glance at the night sky above Earth shows that some stars are much brighter than others. ... Astronomers define star brightness in terms of apparent magnitude — how bright the star appears from Earth — and absolute magnitude — how bright the star appears at a standard distance of 32.6 light-years, or 10 parsecs." According to Space.com

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22-02-2019

It’s composition and distance from the planet. (Apparent Magnitude).

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